Proportions of the A4 size compared to other sizes. An A4 has a surface area of 210 x 297 millimetres. In inches, this is 8.27 x 11.69 inches. An A4 paper fits in a C4 envelope without having to fold the …

The most frequently used paper size is A4 measuring 210 by 297 millimetres (8.27 in × 11.7 in). The standard dimensions are rounded to the nearest millimetre.

From the practical point of view, the size of A4 (8.27″ x 11.69″ in inches, 210 x 297 in mm, or 21.0 x 29.7 in cm) is just one of the most suitable dimensions for ergonomic comfort angle, whether it is used for …

With A4 size paper, the number ‘four’ refers to the fact that the dimensions of a4 paper are the same as a sheet of A0 paper that has been cut in half four times. So, A4 is 16 times smaller than A0. A4 …

ISO 216 is an international standard for paper sizes, used around the world except in North America and parts of Latin America. The standard defines the " A ", " B " and " C " series of paper sizes, which …

Dec 2, 2025 · A4 is an international standard paper size defined by ISO (standard ISO 216). Its dimensions are 210 x 297 mm, or 8.27 x 11.69 inches. Its height-to-width aspect ratio is …

Mar 12, 2025 · Everything about A4 size paper, including dimensions, uses, types, and where to buy it. Learn how to choose the best A4 paper for printing, writing, and business needs.

A4 paper is a standardized paper size measuring 210 millimeters by 297 millimeters (8.27 inches by 11.69 inches). It's part of the ISO 216 paper size standard, widely adopted globally.

The dimensions of the A series paper sizes, as defined by the ISO 216 standard, are given in the table below the diagram in both millimetres and inches (cm measurements can be obtained by dividing …